$20.00
| Issue Number | 18 | Publisher | DC / National |
| Comic Age | Silver Age 1955-1969 | Collection/Pedigree | N/A |
| Condition | 3.5 Very Good- | Grading Company | N/A |
| Page Quality | Seal Rating | N/A |
CHALLENGERS OF THE UNKNOWN #18 3.5
Bob Brown/Ira Schnapp cover art. Tape on front cover. Top staple rusty.